1、Pure Sine Wave Output: This inverter features pure sine wave output, and the sine wave waveform is as good as that generated by the power grid or generator. 2、Wide Compatibility: The inverter supports the input and charging of mains power and diesel or gasoline oil generator, and can work normally under harsh power environment. 3、Parameters Adjustable: The factory default of the inverter is acid battery parameters. Users can set the charging and discharging parameters of other types of batteries through the operation panel to charge other batteries. 4、3 Working Modes: This inverter possesses 3 working modes, mains power first, inverter first, and energy saving mode. And this inverter can make switch automatically with a switching time about 4ms. 5、Convenient Maintenance: When the inverter fails, the fault code will be displayed on the display screen, which is convenient for users to self check and self repair. 1 x Inverter 2 x Connecting Cable 6 x Screw1 x Stand 1 x Manual Item Type: Solar Inverter Material: Aluminum AlloyRated Power: 3000WSize( L x W x H): Approx. 500 x 300 x 140mm / 19.69 x 11.81 x 5.51in Installation Method: Wall MountedWorking Mode: Inverter priority, mains power priority, energy saving modeConversion Time: Less Than or Equal to 4msPanel Display: LCDCooling Mode: Intelligent fan controlCommunication: RS232, RS485 (optional)Input: DC Input Voltage Range: 10.5-15VDC (single battery voltage)Mains Input Voltage Range: 170VAC-275VACMains Input Frequency Range: 45Hz to 65HzMaximum Mains Charging Current: 0 to 30A (depending on the model)Mains Charging Mode: Three stage (constant current, constant voltage, floating charge)Output: Inverter Output Efficiency: Greater than or equal to 85%Inverter Output Voltage: 220VAC ± 2%Inverter Output Frequency: 50, 60Hz ± 1%Inverter Output Waveform: Pure sine waveMunicipal Power Output Efficiency: Greater than or equal to 99%Mains Output Voltage Range: 220VAC ± 10%Frequency Range of Mains Power Output: Automatic trackingInverter Output Waveform Distortion: Less than or equal to 3% (linear load)No Load Loss in Battery Mode: Less than or equal to 0.8% of rated powerNo Load Loss in Mains Mode: Less than or equal to 2% of rated power (mains charger does not work)No Load Loss in Energy Saving Mode: Less than or equal to 10WProtection: Battery Undervoltage Alarm: Factory Default Value: 11V (single battery voltage)Battery Undervoltage Protection: Factory Default Value: 10.5V (single battery voltage)Battery Overvoltage Alarm: Factory Default Value: 15V (single battery voltage)Battery Overvoltage Protection: Factory Default Value: 17V (single battery voltage)Battery Overvoltage Recovery Voltage: Factory Default Value: 14.5V (single battery voltage)Overload Power Protection: Automatic protection (battery mode), circuit breaker or fuse (mains mode)Inverter Output Short Circuit Protection: Automatic protection (battery mode), circuit breaker or fuse (mains mode)Temperature Protection: Greater than 90 ° C (closed output)Battery Type: Valve Regulated Acid Battery: Average Charging Voltage: 14.2VFloating Charge Voltage: 13.8V (single battery voltage)A: Under normal working condition, the buzzer has no alarm soundB: In case of battery failure, abnormal voltage and overload protection, the buzzer will beep 4 times per secondC: When the machine is started for the first time and the machine is normal, the buzzer will prompt 5 soundsCharging Mode: PWM or MPPTCharging Current: 10A, 20A, 30A, 40A, 50A, 60A, 80A, 100AMaximum Photovoltaic Input Voltage (at the Lowest Temperature):MPPT: 150VStandby Loss: Less than or equal to 3WMaximum Conversion Efficiency: Greater than 95Circumstance: Operating Temperature: - 10℃ to 40℃Storage Temperature: - 15℃ to 60℃Noise: Less than or equal to 55dBAltitude: Approx. 2000m / 6561.7ft (derating is required if exceeding)Relative Humidity: 0% to 95%; Non condensing